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Osa Weather (Next 3 days): The snow forecast for Osa is: A dusting of snow turning to light rain (total 4.0mm) on Tue afternoon. Freeze-thaw conditions (max 7°C on Tue morning, min 0°C on Mon afternoon). Winds decreasing (strong winds from the WNW on Sun morning, light winds from the W by Mon night).
Osa Weather (Days 4-6): Light rain (total 9.0mm), mostly falling on Wed afternoon. Very mild (max 11°C on Fri morning, min 3°C on Thu night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -2 |  | ||||
| Bottom Lift: | 1 | |
Latest snow reports near Osa:
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
| |  |  |  |  | |  |  |  |  | | |  |  | | | | |
light snow | light snow | light snow | snow shwrs | some clouds | some clouds | some clouds | rain shwrs | rain shwrs | light rain | mod. rain | rain shwrs | some clouds | clear | clear | clear | clear | some clouds | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | 1 | 3 | 1 | 7 | 1 | — | — | — | — | — | — | |
max °C | 2 | 1 | 1 | 3 | 3 | 1 | 7 | 6 | 5 | 7 | 6 | 5 | 7 | 8 | 4 | 11 | 11 | 8 |
min °C | 1 | 1 | 1 | 2 | 0 | 0 | 5 | 5 | 3 | 6 | 5 | 4 | 5 | 5 | 3 | 7 | 7 | 6 |
-6 | -6 | -6 | -3 | -4 | -3 | 1 | 2 | -1 | 4 | 5 | 2 | 4 | 5 | 0 | 5 | 4 | 2 | |
86 | 92 | 81 | 79 | 75 | 53 | 85 | 84 | 94 | 91 | 98 | 94 | 80 | 69 | 63 | 58 | 60 | 88 | |
800 | 850 | 750 | 850 | 1000 | 1400 | 1350 | 1450 | 1450 | 1600 | 1600 | 1450 | 1300 | 1700 | 2600 | 2800 | 2750 | 2700 | |
 | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — |
 | — | 5:00 | — | — | 5:00 | — | — | 5:00 | — | — | 5:00 | — | — | 5:01 | — | — | 5:01 | — |
A dusting of snow turning to light rain (total 4.0mm) on Tue afternoon. Freeze-thaw conditions (max 7°C on Tue morning, min 0°C on Mon afternoon). Winds decreasing (strong winds from the WNW on Sun morning, light winds from the W by Mon night).
Light rain (total 9.0mm), mostly falling on Wed afternoon. Very mild (max 11°C on Fri morning, min 3°C on Thu night). Wind will be generally light.
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 2 cm |
| Last snowfall: | 13 Dec 2025 |
| Snow Alerts | Create Alert |
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.3 | Powder days Fresh snow, limited sun, any wind. |
0.1 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Osa at the specific elevation of 700 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Osa. To access the weather forecasts for the other elevations, use the tab navigation above the table. For a wider view of the weather, check out the Weather Map of Japan.
Click here to read further information on freezing levels and how we forecast our temperatures.
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